# GainLog vs Nicotine Tracker

The clearest difference is in-app purchases: GainLog at none against Nicotine Tracker's 1. Nicotine Tracker's advantage is update cadence (every 6 days vs every 5 months) and iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Nicotine Tracker sells 1 one-off in-app purchase. GainLog asks for nothing beyond the download.

GainLog ships an update every 5 months, Nicotine Tracker every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | GainLog | Nicotine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/nicotine-tracker-nictracker/id6775972932/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 2 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Michael Woodvine](https://appshunter.io/developer/1866196240) | [Utku Tibet](https://appshunter.io/developer/6775972934) |

## What reviewers say

### GainLog

[App page](https://appshunter.io/ios/app/gainlog-hit-workout-tracker/id6757340056)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Nicotine Tracker

[App page](https://appshunter.io/ios/app/nicotine-tracker-nictracker/id6775972932)

This app estimates your current nicotine levels using a pharmacokinetic model based on logged products. It tracks your intake and provides insights into usage patterns to aid in reduction or quitting.

**Highlights:** Real-time nicotine level estimation, Pharmacokinetic modeling, Log various nicotine products, Daily, weekly, monthly intake tracking, Home screen widgets, Trend analysis and recovery scoring

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NicTracker Insights | $5.99 | one-time |


## Frequently asked questions

### Is GainLog free?

GainLog is free to download, with no in-app purchases.

### Is Nicotine Tracker free?

Nicotine Tracker is free to download, with in-app purchases available.

### Do GainLog or Nicotine Tracker have ads?

Neither GainLog nor Nicotine Tracker shows ads.

### Which is updated more often, GainLog or Nicotine Tracker?

GainLog ships an update every 5 months, and Nicotine Tracker every 6 days. Most recently, GainLog was updated on October 31, 2026 and Nicotine Tracker on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*